Shulou(Shulou.com)06/01 Report--

Today, I will talk to you about how to solve the CVM crash. Many people may not know much about it. In order to make you understand better, the editor summarized the following content for you. I hope you can gain something according to this article.

How to solve the problem of CVM crash? When a CVM crashes, first of all, we need to determine the cause of the crash. generally speaking, the most likely cause of the crash is that the system is overloaded and runs programs and applications that consume a lot of memory.

At this point, you can switch to the TTY text interface through Ctrl+Alt+F1, type top at the prompt and enter, and you can see which processes and applications consume how many resources. Just type kill to close the program.

In addition to the high load, some underlying software BUG can also cause rare crash problems, so if you don't speed up or still crash after closing the program, you can try to restart the computer.

However, there is a situation where the mouse and keyboard do not work because of the death caused by BUG, and it is very irrational to force power off. At this time, you can only restart or shut down safely through the reisub or reisuo command. Press Alt+SysRq on the keyboard, and then enter the letters reisub in turn. When you enter b, the system will restart automatically, and the same input reisuo system will automatically shut down.

SysRq is an instruction requested by the system, and when pressed, everything entered is handled by the Linux kernel, which allows the user to execute some low-level low-level commands. When purchasing a CVM, users must judge whether the CVM is good or bad, otherwise it will be very bad if the CVM always crashes in the future.

Stability.

The most important reason why a cloud server can attract so many users is its high performance. Therefore, first of all, let's see whether it provides a free trial, and if so, test its backup, exclusive, broadband and its characteristics during the trial to judge the pros and cons; if not, it needs to be noticed.

Safety measures

Whether the cloud service provider pays attention to the security attitude can see the strength of the company. For example, cloud computing monitoring is introduced to closely monitor CPU utilization, network bandwidth, number of sending and receiving packets, disk reading and other parameters, and through the deployment of Baidu Cloud acceleration, ddos high defense and other services to further enhance the defense capability of the website and ensure the stable operation of the server.

After reading the above, do you have any further understanding of how to solve the CVM crash? If you want to know more knowledge or related content, please follow the industry information channel, thank you for your support.

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